ZY7120 Datasheet, PDF (16/34 Pages) Power-One – 20A DC-DC Intelligent POL Data Sheet 3V to 13.2V Input 0.5V to 5.5V Output

ZY7120 20A DC-DC Intelligent POL Data Sheet
3V to 13.2V Input • 0.5V to 5.5V Output
7. Pin Assignments and Description
Pin
Name
Pin
Pin
Number Type
VLDO
1
P
IM
2
NC
3
NC
4
NC
5
NC
6
NC
7
NC
8
VREF
9
EN
10
OK
11
I/O
SD
12
I/O
PGOOD
13
I/O
TRIM
14
CS
15
I/O
ADDR4
16
I
ADDR3
17
I
ADDR2
18
I
ADDR1
19
I
ADDR0
20
I
-VS
21
I
+VS
22
I
VOUT
23
P
PGND
24
P
VIN
25
P
Buffer
Type
PU
PU
PU
PU
PU
PU
PU
PU
PU
PU
PU
Pin Description
Notes
Low Voltage Dropout
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Connect to PGND
Fault/Status Condition
Sync/Data Line
Power Good
Not Used
Current Share
POL Address Bit 4
POL Address Bit 3
POL Address Bit 2
POL Address Bit 1
POL Address Bit 0
Negative Voltage Sense
Positive Voltage Sense
Output Voltage
Power Ground
Input Voltage
Connect to an external voltage source higher than
4.75V, if V_IN<4.75V. Connect to V_IN, if V_IN≥4.75V
Leave floating
Leave floating
Leave floating
Leave floating
Leave floating
Leave floating
Leave floating
Leave floating
Connect to PGND
Connect to OK pin of other Z-POL and/or DPM.
Leave floating, if not used
Connect to SD pin of DPM
Leave floating
Connect to CS pin of other Z-POLs connected in
parallel
Tie to PGND for 0 or leave floating for 1
Tie to PGND for 0 or leave floating for 1
Tie to PGND for 0 or leave floating for 1
Tie to PGND for 0 or leave floating for 1
Tie to PGND for 0 or leave floating for 1
Connect to the negative point close to the load
Connect to the positive point close to the load
Legend: I=input, O=output, I/O=input/output, P=power, A=analog, PU=internal pull-up
REV. 2.1 MAR 14, 2007
www.power-one.com
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